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TV-on-Demand service has become one of the most popular Internet applications that continuously attracts higher user interests. With rapidly increasing user demand, the existing network conditions may not be able to ensure low start-up delay of video playback. Prefetching has been broadly investigated to cope with the start-up latency problem which is also known as user perceived latency. In this

Abstract is not available.

Two separate topics in the area of colloidal chemistry have been investigated by the use of molecular modeling: the structural properties of polyion?macroion complexes and of diblock polyampholyte brushes. The main results were obtained by the use of Monte Carlo simulation in the framework of the primitive model, and in the case of polyampholyte brushes the simulation results were also complemente

In Pasternak's writings there is a tension between philosophy and poetry. The question posed here, and based on extracts from the autobiographical "Ochrannaja gramota" ("A Safe-Conduct", 1931), is whether the dense and multiple metaphor in Pasternak’s work can be understood as having a heuristic function, of expressing original thought and contributing to new understanding, or whether it is confus

This thesis demonstrates the usefulness of sedimentary pigments as biomarkers of environmental change in estuarine systems and as biomarkers in lakes in relation to climate change. These are two fields where sediment pigment records as measured by high-performance liquid chromatography (HPLC) are emerging areas of study. A detailed study was undertaken to examine the effects of different storage o

In patients with drug resistant partial epilepsy, who are under consideration for epilepsy surgery, interictal and ictal EEG recorded with extracranial electrodes plays an important role in the localisation of the seizure onset area. During the past years, methods have been developed, which can be used to estimate the location of the source of epileptiform activity in the brain from extracranial E

This thesis summarises experimental results on the molecular spectroscopy of gas phase molecules excited by synchrotron radiation in the VUV and soft X-ray regions. We have used three different detection techniques, photon in- duced fluorescence spectroscopy, photoionisation mass spectroscopy and near edge X-ray absorption fine structure spectroscopy to study molecular deu- terium, hydrogen sulp

Med skolpersonalens kunskaper och inställningar som utgångspunkt har förutsättningarna för drogpreventivt arbete inom grundskolan undersökts. För att uppnå en relativ bredd har skolor av skiftande storlek och socioekonomiska upptagningsområden i olika sydsvenska kommuner ingått i studien. Materialet bygger på intervjuer, enkäter och fokusgrupper som kompletterats med litteraturstudier. Resultatet